Three-dimensional carbon nanophase composite reinforced aluminum-based material and preparation method thereof

A composite reinforcement, aluminum-based material technology, applied in metal processing equipment, transportation and packaging, etc., can solve the problems of poor compatibility, difficult to obtain synergistic reinforcement effect, etc., to achieve low cost, good generalizability, improved strength and plasticity Effect

Active Publication Date: 2020-11-27
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with the resin matrix, the metal matrix does not have surface functional groups, and its comp...

Method used

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  • Three-dimensional carbon nanophase composite reinforced aluminum-based material and preparation method thereof
  • Three-dimensional carbon nanophase composite reinforced aluminum-based material and preparation method thereof
  • Three-dimensional carbon nanophase composite reinforced aluminum-based material and preparation method thereof

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Effect test

Embodiment 1

[0027] The preparation of a three-dimensional carbon nanophase composite reinforced aluminum-based material comprises the following steps:

[0028] 1) Dissolve 1g of DGEBA and 0.5g of nickel nitrate hexahydrate in 200ml of ethanol, then move it into a magnetic stirring pot, add 25g of aluminum powder (diameter 20~30μm) under the condition of stirring at 90°C to coat the surface of the aluminum powder , and at the same time add 1ml of ethylenediamine (EDA) dropwise, and continue to stir until the ethanol is completely volatilized to obtain a surface-treated composite aluminum powder;

[0029] 2) Put the surface-treated composite aluminum powder prepared in step 1) in a tube furnace, and heat it to 400°C under the condition of high-purity hydrogen (the flow rate of high-purity hydrogen is 80 sccm, and the heating rate is 5°C / min) , keep warm for 1h, then heat to 600°C in a mixed atmosphere of argon and hydrogen (the flow rate of argon gas is 320 sccm, the flow rate of hydrogen g...

Embodiment 2

[0038] The preparation of a three-dimensional carbon nanophase composite reinforced aluminum-based material comprises the following steps:

[0039] 1) Dissolve 1g of bisphenol A diglycidyl ether (DGEBA) and 0.5g of nickel nitrate hexahydrate in 200ml of ethanol, then move it into a magnetic stirring pot, add 25g of aluminum powder (20~30μm in diameter) under stirring at 90°C , so that it is coated on the surface of the aluminum powder, and at the same time, 1ml of ethylenediamine (EDA) is added dropwise, and the stirring is continued until the ethanol is completely volatilized, and the surface-treated composite aluminum powder is obtained;

[0040] 2) Put the surface-treated composite aluminum powder prepared in step 1) in a tube furnace, and heat it to 400°C under the condition of high-purity hydrogen (the flow rate of high-purity hydrogen is 80 sccm, and the heating rate is 5°C / min) , keep warm for 1h, then heat to 600°C in a mixed atmosphere of argon and hydrogen (the flow ...

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Abstract

The invention discloses a three-dimensional carbon nanophase composite reinforced aluminum-based material and a preparation method thereof. The preparation method comprises the steps of firstly, immersing aluminum powder into ethanol solutions containing bisphenol A diglycidyl ether and nickel nitrate hexahydrate, magnetically stirring, and dropwise adding ethylenediamine to obtain the aluminum powder with the surface treated; then, mixing the aluminum powder with the surface treated after reduction and graphene oxide, and ball-milling the mixtures at low speed, and obtaining the aluminum powder coated with three-dimensional carbon nanophases after reduction; and finally performing SPS sintering and cold-rolling for the aluminum powder to obtain the three-dimensional carbon nanophase composite reinforced aluminum-based material. The preparation method is simple process, easy in operation and low in cost; according to the obtained composite reinforced aluminum-based material, through construction of the three-dimensional carbon nanophases, the load transfer efficiency is improved, so that the mechanical property of the aluminum-based composite material is improved obviously; the aluminum-based material not only is high in tensile strength, but also remains higher elongation and toughness, and is high in generalizability.

Description

technical field [0001] The invention belongs to the field of preparation of aluminum-based composite materials, and in particular relates to a three-dimensional carbon nanophase composite reinforced aluminum-based material and a preparation method thereof. Background technique [0002] Aluminum and aluminum alloys have many excellent properties, such as low density, high corrosion resistance, high thermal conductivity and electrical conductivity, good toughness and formability, excellent machining performance, easy recycling, etc., which have been regarded as a A wide range of matrix materials is the main aspect of the current development and research work in the materials community. Due to its light weight, high specific strength and specific stiffness, low thermal expansion coefficient, and easy processing and other excellent properties, aluminum matrix composites are widely used in construction, ships, automobiles, aerospace, national defense, and civil applications. How...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/10C22C1/04B22F1/02B22F3/105
CPCC22C21/00C22C1/101B22F3/105C22C2026/002B22F2003/1051B22F1/16
Inventor 陈俊锋王文龙梁思琰程佳乐
Owner FUZHOU UNIV
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